Fire accessibilityPrivate events on two-finger hold gesture.

chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.cc b/chrome/browser/ui/ash/chrome_shell_delegate.cc
index 45e5ea3b9a28f63b972e87e9d7c97568364494e7..b76a0684ce35cc936aa7989aefc1298a674356ef 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -340,6 +340,16 @@ class AccessibilityDelegateImpl : public ash::AccessibilityDelegate {
     return ash::A11Y_ALERT_NONE;
   }
 
+  void OnTwoFingerTouchStart() override {
+    DCHECK(AccessibilityManager::Get());
+    AccessibilityManager::Get()->OnTwoFingerTouchStart();
+  }
+
+  void OnTwoFingerTouchStop() override {
+    DCHECK(AccessibilityManager::Get());
+    AccessibilityManager::Get()->OnTwoFingerTouchStop();
+  }
+
   bool ShouldToggleSpokenFeedbackViaTouch() override {
     DCHECK(AccessibilityManager::Get());
     return AccessibilityManager::Get()->ShouldToggleSpokenFeedbackViaTouch();